![]() ![]() The former investigates potential fluctuations time locked to an event, such as 'stimulus onset' or 'button press'. Diagnostic applications generally focus either on event-related potentials or on the spectral content of EEG. ![]() Clinically, EEG refers to the recording of the brain's spontaneous electrical activity over a period of time, as recorded from multiple electrodes placed on the scalp. Electrocorticography, involving invasive electrodes, is sometimes called intracranial EEG.ĮEG measures voltage fluctuations resulting from ionic current within the neurons of the brain. It is typically non-invasive, with the electrodes placed along the scalp. This is performed by a specially trained technician.ĮEG is also used to monitor activity during a brain surgery, as well as detect brain activity on a comatose patient.Īn EEG is utilized to detect abnormalities in the electrical activity of the brain associated with certain brain disorders.Electroencephalography ( EEG) is a method to record an electrogram of the electrical activity on the scalp that has been shown to represent the macroscopic activity of the surface layer of the brain underneath. No electricity is transferred to your brain. ![]() The machine records a graph of your brain waves. EEGs also help caregivers learn about sleeping problems, brain injury, brain tumors, and many other problems. This test is performed to see how the different parts of the brain function. The electrodes detects the brain’s electrical impulses and send signals to a computer, where the results are recorded. Electrodes, made of small and flat metal discs, are attached to the scalp with wires connected to a computer. An EEG is one of the important tests used to diagnose neurological issues, especially epilepsy. Routine EEGĪn electroencephalogram (EEG) is a safe and painless test that measures and records the electrical activity of your brain by using sensors (electrodes) attached to your head and connected by wires to a computer. Our expertise and capabilities allow us to provide routine EEG. At San Jose Pacific Neurology Center is a one-stop solution for all your EEG needs. ![]()
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